Journal
CHINESE JOURNAL OF CHEMISTRY
Volume 35, Issue 5, Pages 567-571Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cjoc.201600526
Keywords
peeling; doping; gold nanocluster; A(3)-coupling reaction; catalysis
Categories
Funding
- National Natural Science Foundation of China [21222301, 21501182, 21528303, 21171170]
- National Basic Research Program of China [2013CB934302]
- Ministry of Human Resources and Social Security of China
- Innovative Program of Development Foundation of Hefei Center for Physical Science and Technology [2014FXCX002]
- Hefei Science Center, CAS [2015HSC-UP003]
- CAS/SAFEA
- Chinese Academy of Sciences
- Anhui Provincial Natural Science Foundation [1608085QB31]
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Tuning the nanoclusters' compositions and structures is critical for the performance improvement of nanoclusters. Herein, a well-known Au-25(SCH2CH2Ph)(18) (Au-25 for short) nanocluster has been transformed to a rare cadmium doped gold nanocluster [Au13Cd2(PPh3)(6)(SC2H4Ph)(6)(NO3)(2)](2)Cd(NO3)(4) (Au26Cd5 for short) by peeling and doping. Although Au25 exhibits no catalytic activity toward A(3)-coupling reaction under the investigated conditions, the novel cadmium doped gold nanocluster Au26Cd5 shows high catalytic activity, as well as good recyclability and substrate tolerance for the same reaction. The high catalytic activity is attributed to the cooperation between the exerted cadmium atoms and the neighbor gold atoms on the surface of Au-13 icosahedron. This work has important implication for the tuning of nanoclusters' compositions and structures targeting the improvement of catalytic performance by some unusual but effective strategies.
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